S-MESh based daily 1km surface PM2.5 over Europe for the years 2021-2022

These datasets consist of estimated daily surface PM2.5 concentrations over Europe at ~1km spatial resolution for the years 2021-2022 in tiff file format generated using our Satellite and ML-based Estimation of Surface air quality at High resolution (S-MESH) model. The S-MESH model for PM2.5 generates surface PM2.5 over Europe by downscaling CAMS regional forecast using satellite AOD and other meteorological parameters through a stacked XGBoost model. The downscaled S-MESH products have accuracies similar to CAMS regional interim reanalysis. More details on this methodology and study can be found in the related research article  https://doi.org/10.1016/j.envres.2024.120363

The attached dataset files are zipped into 2 folders each corresponding to a year and can be unzipped from command line using "tar -xvzf filename.tar.gz". Each tiff file represents daily PM2.5 and is a single band image with an extent of 26°W-45°E and 34°N–72°N in EPSG:4326 - WGS 84 projection. 

This work was primarily supported by a PhD fellowship from the Norwegian Research Council under grant agreement 321851.